Driveline: differential unitRecall 83V-045 · Chevrolet and GMC vehicles
GENERAL MOTORS CORP. recall 83V-045 covers 6,204 Chevrolet and GMC vehicles for a driveline: differential unit problem, reported to NHTSA on April 27, 1983.
Source: NHTSA recall 83V045000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
The problem
THE LOCKING SCREW THAT RETAINS THE PINION SHAFT IN PLACE IN THE DIFFERENTIAL COULD COME LOOSE. THE PINION SHAFT TURNS THE GEARS INSIDE THE DIFFERENTIAL THAT ROTATE THE DRIVE AXLES AND REAR WHEELS. IF THE LOCKING SCREW COMES LOOSE, IT COULD DAMAGE OTHER COMPONENTS OR JAM IN THE GEARS. IF THE PINION SHAFT COMES LOOSE, THE REAR WHEELS MAY NO LONGER POWER THE VEHICLE.
The fix
THE DEALER WILL REPLACE THE DIFFERENTIAL LOCK SCREW AT NO CHARGE.
VEHICLE DESCRIPTION: LIGHT TRUCKS EQUIPPED WITH EATON LOCKING DIFFERENTIAL.SYSTEM: POWER TRAIN; DIFFERENTIAL SHAFT LOCK SCREW.CONSEQUENCES OF DEFECT: IF THE FAILURE SHOULD OCCUR WHILE THE VEHICLE IS INMOTION, THE DRIVER MAY LOSE CONTROL OF THE VEHICLE AND AN ACCIDENT COULDRESULT.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from August 1, 1981 to April 1, 1982. Not every vehicle in these model years is included; check by VIN.
The investigation behind this recall
- LOOSE MULTIPLE CONNECTORNHTSA